Antifogging compounds and their use in silver halide photography
US4451555A · kind A · utility
5Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1981 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | Nov 25, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/346
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention deals with novel antifogging compounds and their use in a method of photographic reproduction comprising developing a photographic material having at least one exposed silver halide emulsion layer in the presence of a 1-phenyl-5-mercaptotetrazole compound wherein the phenyl group bears a substituent comprising at least one thioether function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.